A quick coupling device, particularly for work vehicle equipment, comprising a fixed part (10) and a removable part (20), which can be coupled together so that they can be disassembled, said fixed part being joined (10 ) to a tool (60) of a work vehicle, said detachable part (20) being associated with the end of an arm of said work vehicle, said fixed part (10) comprising a pair of hooks (12a, 12b) adapted to accommodate a fixed application means (24) attached to said removable part (20), said removable part (20) comprising a mobile application means (25a, 25b) that interacts with a pair of locking brackets (13a, 13b ) attached to said fixed part (10), said device further comprising a drive means (30a, 30b) that directly drives said mobile application means (25a, 25b)； characterized in that said actuation means comprises a pair of cylinders (30a, 30b) operated by single-acting fluid having an elastic means that maintains the coupling between said mobile application means (25a, 25b) and said locking brackets ( 13a, 13b) when said cylinders (30a, 30b) operated by single acting fluid are inactive； said mobile application means comprising locking pins (25a, 25b), each directly connected to the end portion of the rod of each of said cylinders (30a, 30b) operated by fluid and sliding along a guide (26a , 26b) attached to said fixed part (10).Un dispositivo de acoplamiento rápido, particularmente para equipamiento de vehículos de trabajo, que comprende una parte fija (10) y una parte desmontable (20), que pueden ser acopladas entre sí de manera que se puedan desmontar, estando unida dicha parte fija (10) a una herramienta (60) de un vehículo de trabajo, pudiendo ser asociada dicha parte desmontable (20) con la extremidad de un brazo de dicho vehículo de trabajo, comprendiendo dicha parte fija (10) un par de ganchos (12a, 12b) adaptados para acomodar un medio de aplicación fijo (24) unido a dicha parte desmontable (20), comprendiendo dicha parte desmontable (20) un medio de
